<template>
  <div class="person">
    <h2>姓名：{{ person.name }}</h2>
    <h2>年龄：{{ person.age }}</h2>
    <button @click="changeName">修改名字</button>
    <button @click="changeAge">修改年龄</button>
  </div>
</template>

<script setup lang="ts">
import { ref, watch } from "vue";
let person = ref({ 
  name: "张三",
  age: 18,
});

function changeName() {
  person.value.name += "~";
}
function changeAge() {
  person.value.age += 1;
}

const uu = watch(person.value,(value)=>{
  console.log(value);
  if(value.age > 10){
    console.log(11);
    uu()
  }
})
</script>

<style>
.person {
  background-color: turquoise;
  box-shadow: 0 0 10px;
  border-radius: 10px;
  padding: 20px;
}

button {
  margin: 0 5px;
}
</style>
